#include using namespace metal; struct S { float3 v; }; void f() { thread S tint_symbol = {}; tint_symbol.v = float3(1.0f, 2.0f, 3.0f); tint_symbol.v[0] = 1.0f; tint_symbol.v[1] = 2.0f; tint_symbol.v[2] = 3.0f; }